Climatological Report (Monthly)
Issued by NWS

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000
CXUS56 KMTR 010836
CLMAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1236 AM PST FRI DEC 01 2023

...................................

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             85   MM
 LOW              23   11/29/2015
HIGHEST           80   11/03                          71  11/24
LOWEST            31   11/26                          29  11/29
                                                          11/30
AVG. MAXIMUM    69.1                                64.6
AVG. MINIMUM    41.9                                35.2
MEAN            55.5                                49.9
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     2                                  10
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          1.26               1.97   -0.71     0.97
DAILY AVG.      0.04                                0.03
DAYS >= .01        9                                   6
DAYS >= .10        3                                   3
DAYS >= .50        1                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.90   11/17 TO 11/18               0.70  11/07 TO 11/08


DEGREE DAYS
HEATING TOTAL    277                                 447
 SINCE 7/1       406                                  MM
COOLING TOTAL      0                                   0
 SINCE 1/1       389                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.3
RESULTANT WIND SPEED/DIRECTION   1/090
HIGHEST WIND SPEED/DIRECTION    29/290    DATE  11/04
HIGHEST GUST SPEED/DIRECTION    35/280    DATE  11/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.21
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$


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